DNS is BINARY not ASCI, This site explains it http://www.firewall.cx/dns-query-format.php. But I think a better source is the DNS and BIND book.

Your set up sounds like you just need a BIND server with a forwarder address, you can add your own zones with 'A' records as you see fit.

In reply to Re^3: DNS filter by gman
in thread DNS filter by Anonymous Monk

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